import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @description:
 * @author: duanjq
 * @time: 2021/9/19 15:43
 */
public class DateFormatThreadLocal {
   private static final ThreadLocal<DateFormat>df=new ThreadLocal<DateFormat>(){
       @Override
       protected DateFormat initialValue() {
           return new SimpleDateFormat("yyyyMMdd");
       }
   };
   public static Date convert(String source)throws ParseException {
      return  df.get().parse(source);
   }
}
